Sharp R-530EK service manual CK = Check / RE = Replace

Page 13

R - 5 3 0 E K

R - 530EW

CK = Check / RE = Replace

TEST PROCEDURE

POSSIBLE CAUSE

AND

DEFECTIVE PARTS

CONDITION

PROBLEM

 

Home fuse or circuit breaker blows when

 

power cord is plugged into wall receptacle.

 

Monitor fuse blows when power cord is

 

plugged into wall receptacle.

 

Any letters or indicators do not appear in

OFF

display when power cord is first plugged

CONDITION

into wall outlet.

 

Display does not operate properly when

 

STOP/CLEAR key is touched. (Buzzer

 

should sound and ":" or time of day

 

should appear in display.)

 

Oven lamp does not light when door is

 

opened.

 

Oven lamp does not go out when door is

 

closed.

 

Oven lamp lights but fan motor and

 

turntable motor do not operate.

 

Oven does not go into cook cycle when

 

START pad is touched

 

Oven seems to be operating but little or

COOKING

no heat is produced in oven load. (Food

incompletely cooked or not cooked at all

CONDITION

 

at end of cook cycle.)

 

Oven goes into a cook cycle but

 

extremely uneven heating is produced in

 

oven load (food).

 

Oven does not cook properly when

 

programmed for P-50/ 50 PERCENT

 

mode. (Operates properly on P-HI/ 100

 

PERCENT mode.)

 

Oven goes into Defrost Center but food

 

is not defrosted well.

 

AH sensor does not end during Sensor

SENSOR

cooking condition. (Oven does not shut

COOKING

off after a cup of water is boiling by

CONDITION

sensor cooking.)

 

Oven stops at 16 sec. after starting.

RE

RE

A

B

C

D

E

E

F

F

G

H

RE

RE

CK

I

CK

CK

CK

J

K

L

M

N

SHORT IN POWER CORD

SHORT OR OPENED WIRING

MAGNETRON

POWER TRANSFORMER

H.V. RECTIFIER ASSEMBLY

HIGH VOLTAGE CAPACITOR

CAVITY TEMPERATURE FUSE

MAGNETRON TEMPERATURE FUSE

PRIMARY INTERLOCK SYSTEM

SECONDARY INTERLOCK SWITCH

MONITOR SWITCH

MONITOR FUSE

OVEN LAMP OR SOCKET

COOLING FAN MOTOR

TURNTABLE MOTOR

TOUCH CONTROL PANEL

WRONG OPERATION

LOW VOLTAGE

DIRTY OVEN CAVITY

KEY UNIT

RELAY (RY1)

DEFROST CENTER

FOIL PATTERN ON PWB.

AH SENSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

Image 13
Contents Models R 5 3 0 E K R-530EW Table of ContentsBefore Servicing Dont Touch Before Servicing When the testing is completedRequirements Microwave Measurement ProcedureLeakage test Microwave Oven Sharp PLAZA, Mahwah530EK/ R-530EW ForewordGeneral Information SpecificationDescription Grounding InstructionsTouch Control Panel Oven DiagramDescription of Operating Sequence OperationCooking Sequence MicrowaveFigure O-1. Oven Schematic-Off Condition Description and Function of Components Troubleshooting Guide CK = Check / RE = Replace Procedure Letter Component Test Magnetron Assembly Test Test ProceduresMicrowave Output Power Power Transformer TestCavity Temperature Fuse Test Procedure Letter Component TestMagnetron Temperature Fuse Test High Voltage Rectifier TestDoor Sensing Switch Secondary Interlock Switch TestMonitor Switch Test Primary Interlock System TestBefore testing Touch Control Panel Assembly TestBlown Monitor Fuse Test KEY Unit Test Compu Defrost Test Relay TestFoil Pattern on the Printed Wiring Board Test Procedure Component Test LetterAH Sensor Test Testing Method for AH Sensor AND/OR Control UnitChecking the initial sensor cooking condition Water load cooking testSensor Dummy Resistor Circuit Checking Control UnitTouch Control Panel Assembly LSIIXA098DR Signal synchronized with commercial power source frequency Pin No Signal DescriptionKey strobe signal Signal coming from touch keyInternal clock oscillation frequency control input setting Power source voltage GND0VCommon data signal COM8 Common data signal COM7Common data signal COM10 Common data signal COM9Absolute Humidity Sensor Circuit Structure of Absolute Humidity SensorKRC243M Touch Control Panel ServicingOuter Case Removal Component Replacement and Adjustment ProcedureReinstallation Power Transformer RemovalHigh Voltage Rectifier and High Voltage Capacitor Removal Magnetron RemovalControl Panel Assembly Removal Positive Lock Connector NO-CASE Type RemovalOven Lamp and Lamp Socket Removal Turntable Motor RemovalInstallation AH Sensor ReplacementCooling FAN Motor Removal RemovalAfter adjustment, check the following Door ReplacementRemoval After any service, make sure of the following ReinstallationInstallation Sealer FilmHigh Voltage Components Figure S-1. Pictorial DiagramFigure S-2. Power Unit Circuit OFF Cook CircuitSP1 VRB ZD1RY2 RY1 RY3 TTMElectric Parts Parts ListCabinet Parts Control Panel PartsDoor Parts HOW to Order Replacement PartsMiscellaneous SCREWS,NUTS and WashersOven and Cabinet Parts Control Panel Parts Door Parts Miscellaneous Packing and Accessories Copyright 2001 by Sharp Corporation ALL Rights Reserved

R-530EK specifications

The Sharp R-530EK is a notable microwave oven that combines functionality with innovation to enhance cooking convenience. With a sleek design and user-friendly interface, this model has earned a place in many kitchens around the globe.

One of the primary features of the Sharp R-530EK is its powerful microwave output. The oven boasts a maximum power of 900 watts, ensuring that food can be heated quickly and evenly. This power level allows users to prepare a variety of meals, from reheating leftovers to cooking dishes from scratch, in significantly less time than traditional cooking methods.

The R-530EK is equipped with a spacious interior, offering 25 liters of capacity. This ample space allows for cooking larger dishes or multiple servings at once. The turntable design ensures even cooking by rotating food during the heating process, further enhancing the microwave's efficiency.

Another standout feature of the Sharp R-530EK is its array of pre-programmed auto-cook menus. These presets simplify cooking by providing specific times and power levels for various types of food, including popcorn, pizzas, and oatmeal. Users can simply select the appropriate setting, and the microwave takes care of the rest, making it ideal for those who may not have extensive cooking experience.

The microwave utilizes advanced inverter technology, a feature that sets it apart from many conventional microwave ovens. Inverter technology allows for continuous and consistent power output, providing more precise temperature control. This means that delicate foods such as seafood or chocolate can be heated without the risk of overcooking or burning, resulting in better texture and flavor.

Additionally, the R-530EK is designed with multiple cooking functions that enhance its versatility. These include defrosting capabilities, grilling options, and even signals indicating the completion of cooking cycles. The easy-to-read digital display and intuitively designed buttons contribute to the overall user experience, making it accessible for individuals of all ages.

Moreover, this microwave oven ensures safety with features such as a child lock, which prevents accidental operation by little hands. The Sharp R-530EK is both an efficient and reliable addition to any kitchen, embodying the perfect blend of cutting-edge technology and practical design to meet the demands of modern cooking. With its impressive range of features and performance capabilities, it stands as a valuable tool for aspiring chefs and busy families alike.